65-0315—02
16
Outdoor Reset Parameters
(R7910 Hydronic Control Only)
Table 9 displays Outdoor Reset configuration parameters.
Pressing the left or right arrow displays Lead Lag, which lists
the same parameters.
Fig. 32. Outdoor reset configuration.
Domestic Hot Water (DHW)
Configuration Parameters
(R7910 Hydronic Control Only)
Table 10 displays Domestic Hot Water (DHW) configuration
parameters.
Fig. 33. Domestic Hot Water (DHW) configuration.
Table 8. Steam Configuration Parameters
Parameter
Comment
Steam enable
Disable/enable steam feature
Steam demand
source
Sensor and LCI
Sensor and Remote Stat
Sensor and Stat Terminal
Sensor Only
Steam pressure
setpoint
Setpoint for normal modulation
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam time of day
setpoint
Setpoint when TOD switch on
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Minimum steam
pressure
Establishes setpoint for the 4ma. input.
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam pressure off
hysteresis
Differential below setpoint when boiler
is turned off
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam pressure on
hysteresis
Differential from setpoint when boiler
is turned on.
Adjustable 0 to 15 or 0 to 150 (sensor
dependant)
Steam hysteresis
step time
Time between hysteresis changes 0 to
600 seconds (0=disable)
Steam P Gain
Gain applied for the P portion of the
PID equation
0-400
Steam I Gain
Gain applied for the I portion of the PID
Equation - 0-400
Steam D Gain
Gain applied for the D portion of the
PID equation
0-400
Steam 4-20 ma
remote control
uses 4-20ma remote control function to
control either the setpoint or
modulation for Steam
Disable, setpoint, modulation
Table 9. Outdoor Reset Configuration Parameters.
Parameter
Comment
Maximum outdoor
temperature
-40 °F to 266 °F (-40 °C to 130 °C)
Minimum outdoor
temperature
-40 °F to 266 °F (-40 °C to 130 °C)
Low water
temperature
-40 °F to 266 °F (-40 °C to 130 °C)
Minimum water
temperature
-40 °F to 266 °F (-40 °C to 130 °C)
Maximum off point
-40 °F to 266 °F (-40 °C to 130 °C)